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Method for culturing selenium-enriched portunus trituberculatus

A technology of selenium-enriched Portunus trituberculatus and Portunus trituberculatus, applied in fish farming, application, climate change adaptation, etc., can solve the problems of high mortality of juvenile crabs, insufficient feed, death of Portunus trituberculatus, etc., to improve breeding efficiency, Effect of increasing food intake and improving survival rate

Active Publication Date: 2015-09-23
洪作娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore it gradually unfolds as a breeding object. In the existing portunus trituberculatus culture technology, the seedlings are generally put out in early May, and they are listed in about October. When putting in the seedlings, there are the following problems: (1) the feed that is input is insufficient, resulting in the mortality rate of juvenile crabs (2) During the breeding process, crab larvae fight for bait and mates in the later stage, resulting in the death of a large number of swimming crabs and a decrease in production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A kind of cultivation method of selenium-enriched Portunus trituberculatus comprises the following steps:

[0051] Step 1, after filtering the seawater with activated carbon, inject ozone for 90 minutes to obtain special seawater for cultivating Portunus trituberculatus; irradiate the arc-shaped plate with ultraviolet light for 30 minutes to obtain a special arc-shaped plate for cultivating Portunus trituberculatus;

[0052] Step 2, cultivating the young crabs of Portunus trituberculatus in the breeding box for 30 days to obtain young crabs of Portunus trituberculatus, specifically:

[0053] Add special-purpose seawater and culture solution to multiple breeding boxes to obtain the first culture solution, adjust the pH value of the first culture solution to 8.5, adjust the temperature of the first culture solution to be 19-26°C, and place multiple animals with a weight of 10- The larvae of portunus trituberculatus with complete appendages of 13g and no parasites in crab ...

Embodiment 2

[0068] A kind of cultivation method of selenium-enriched Portunus trituberculatus comprises the following steps:

[0069] Step 1, after filtering the seawater with activated carbon, inject ozone for 90 minutes to obtain special seawater for cultivating Portunus trituberculatus; irradiate the arc-shaped plate with ultraviolet light for 30 minutes to obtain a special arc-shaped plate for cultivating Portunus trituberculatus;

[0070] Step 2, cultivating the young crabs of Portunus trituberculatus in the breeding box for 30 days to obtain young crabs of Portunus trituberculatus, specifically:

[0071] Add special-purpose seawater and culture solution to multiple breeding boxes to obtain the first culture solution, adjust the pH value of the first culture solution to 8.5, adjust the temperature of the first culture solution to be 19-26°C, and place multiple animals with a weight of 10- The larvae of portunus trituberculatus with complete appendages of 13g and no parasites in crab ...

Embodiment 3

[0086] A kind of cultivation method of selenium-enriched Portunus trituberculatus comprises the following steps:

[0087] Step 1, after filtering the seawater with activated carbon, inject ozone for 90 minutes to obtain special seawater for cultivating Portunus trituberculatus; irradiate the arc-shaped plate with ultraviolet light for 30 minutes to obtain a special arc-shaped plate for cultivating Portunus trituberculatus;

[0088] Step 2, cultivating the young crabs of Portunus trituberculatus in the breeding box for 30 days to obtain young crabs of Portunus trituberculatus, specifically:

[0089] Add special-purpose seawater and culture solution to multiple breeding boxes to obtain the first culture solution, adjust the pH value of the first culture solution to 8.5, adjust the temperature of the first culture solution to be 19-26°C, and place multiple animals with a weight of 10- The larvae of portunus trituberculatus with complete appendages of 13g and no parasites in crab ...

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Abstract

The invention belongs to the field of marine product culture and particularly relates to a method for culturing selenium-enriched portunus trituberculatus. The method comprises the following steps: 1 conducting sterilization and disinfection on seawater and arc-shaped plate bodies; 2 culturing juvenile crabs of the portunus trituberculatus in culture boxes for 30 days, putting selenium-enriched fodder into the culture boxes, and obtaining young crabs of the portunus trituberculatus; 3 placing the young crabs into a culture pond for culturing for 70 days, putting fresh living shellfish and selenium-enriched fodder in at different periods of time, and obtaining the selenium-enriched portunus trituberculatus. By means of the method for culturing the selenium-enriched portunus trituberculatus, the culture of the portunus trituberculatus is made to be more scientific and reasonable, and the portunus trituberculatus can grow more healthy through the nutrition supply at different periods of time; in addition, the provided selenium-enriched fodder is capable of accelerating the crab growth and improving the disease-resistant capability, the crab meat quality is improved, the crab-roe growth rate of female crabs is raised, in addition, the selenium content of the portunus trituberculatus is increased, and economic benefits are improved.

Description

technical field [0001] The invention belongs to the technical field of marine product cultivation, and in particular relates to a method for cultivating selenium-enriched Portunus trituberculatus. Background technique [0002] Portunus trituberculatus is an important marine economic animal. Because of its large size and delicious meat, it is deeply loved by the masses and has high economic value. Therefore it gradually unfolds as a breeding object. In the existing portunus trituberculatus culture technology, the seedlings are generally put out in early May, and they are listed in about October. When putting in the seedlings, there are the following problems: (1) the feed that is input is insufficient, resulting in the mortality rate of juvenile crabs (2) During the breeding process, young crabs fight for bait and mates in the later stage, resulting in the death of a large number of swimming crabs and a decrease in production. [0003] On the other hand, selenium can improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCA01K61/59Y02A40/81
Inventor 李海波
Owner 洪作娟
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